# IZeat

> IZeat is the five-star chef calorie tracker that suggests satisfying, great-tasting meals, so you enjoy every calorie you have left. It works inside ChatGPT, Claude or any other assistant: IZeat knows your numbers for the day, which foods fill you up and what you like. Your assistant turns its ideas into recipes with what you have: snap your fridge or say what's in it. Once you've eaten, say it in one sentence: IZeat logs the meal, shows your macros and what remains, and stores the source of every figure. For people who already talk to an AI assistant every day, and have quit a tracker at least once.

IZeat is an MCP server plus a read-only web app. Meals, corrections, targets and
time zone are written by the customer's own assistant (Claude, ChatGPT, Claude Code
or any MCP client) through IZeat's tools; the web app shows the day, the period and
the account. Every stored number carries a source: a label, a reference table, the
customer's own figure, or an estimate marked as one. There is no data entry screen,
no chat of IZeat's own, no crowd-sourced food database, no streak, no badge, no red
for a day over target. By Seb and Laetitia, Cape Town. Last public update 2026-10-13.

## Pages

- [Home](https://izeat.app/): the definition, what it does, the plan
- [Documentation](https://izeat.app/docs): how to connect Claude, ChatGPT and Claude Code, what to say, what each tool does, what happens to your data
- [Pricing](https://izeat.app/pricing.md): the plans, in plain text
- [Support](https://izeat.app/support)
- [Privacy](https://izeat.app/privacy)
- [Terms](https://izeat.app/terms)
- [Glossary](https://izeat.app/glossary): 113 terms, one page each, definition first
- [Blog](https://izeat.app/blog): articles that answer one question each, by calorie counter app, how to track calories, how to track macros

## Articles

- [Which MacroFactor alternative fits what you want to keep?](https://izeat.app/blog/macrofactor-alternatives): Consider Carbon for a different weekly coaching process, Cronometer for a free nutrient diary, or MyFitnessPal for conventional food and weight logging; first decide whether you still need adaptive targets. IZeat offers conversational recording against targets you choose, but does not replace MacroFactor’s expenditure estimate, weight trend or micronutrient reports.
- [Calorie calculator: estimate your maintenance calories](https://izeat.app/blog/calorie-calculator): Maintenance calories are the approximate daily intake needed to keep your current weight at your usual activity level. Use the calorie calculator below to estimate them from your age, body measurements and activity, then interpret the result against your routine. This is total daily energy expenditure, not resting energy alone or the calories in a meal.
- [How many calories should I eat a day?](https://izeat.app/blog/how-many-calories-should-i-eat-a-day): Start with an estimate of the calories needed to maintain your current weight, using your age, height, weight and usual activity in the calculator below. Then decide whether maintenance is your goal or whether you need a different plan. IZeat can keep the food record and the target you choose; calculating your energy needs is a separate task.
- [How many calories should I eat to lose weight?](https://izeat.app/blog/how-many-calories-should-i-eat-to-lose-weight): Enter your age, body measurements and usual activity in the calculator below to get estimated maintenance and a starting weight-loss intake. It subtracts a visible 500 kcal/day reference reduction, which you can edit, rather than asking you to find a target elsewhere first. The scenario is for adult overweight/obesity management; it is an estimate to review, not a prescribed diet or promised weight-loss rate.
- [Protein calculator: estimate your daily amount for training](https://izeat.app/blog/protein-calculator): A protein calculator converts body weight and a chosen grams-per-kilogram range into a daily amount. For healthy adults who exercise, the ISSN position describes 1.4–2.0 g/kg/day; a 75 kg example gives 105–150 g, without predicting muscle growth.
- [Protein intake calculator: work out your daily grams](https://izeat.app/blog/protein-intake-calculator): A protein intake calculator multiplies your body weight by a selected protein reference. The 2025–2030 US Dietary Guidelines give a target of 1.2–1.6 g/kg/day; at 70 kg, that is 84–112 g per day. The established adult RDA of 0.8 g/kg answers a different reference question.
- [Protein calculator for weight loss: calculate a daily range](https://izeat.app/blog/protein-calculator-for-weight-loss): A protein calculator for weight loss translates a stated protein range into daily grams; it does not calculate how much weight you will lose. A 2015 review of higher-protein weight-management diets discusses 1.2–1.6 g/kg/day: at 80 kg, the arithmetic gives 96–128 g.
- [Calorie counter: total your food and meal calories](https://izeat.app/blog/calorie-counter): Use the calorie counter below to total the food and drinks in your meal. Enter each food’s label or reference values and amount eaten, then add another food to see the combined calories. No account is needed for this calculation; saving meals in an IZeat diary is a separate connected workflow.
- [Nutrition calculator: calories and macros for your portion](https://izeat.app/blog/nutrition-calculator): Use the nutrition calculator below to scale calories, protein, carbohydrate and fat from a label or reference to your portion, then total the foods in a meal. Enter the source values, reference amount and amount eaten in matching units; this calculates food composition, not your personal daily needs.
- [Which weight loss app fits the support you need?](https://izeat.app/blog/weight-loss-app): Choose a weight loss app by the support you need: MyFitnessPal for a food-and-weight diary, MacroFactor for nutrition targets informed by intake and weight trends, or WeightWatchers for its Points-based programme and available coaching. Consider IZeat if your priority is logging food in ChatGPT or Claude; it records intake and your chosen targets, not body weight, and none of these documented features is a promise of weight loss.
- [9 Best Macro Tracking Apps in 2026, Compared](https://izeat.app/blog/best-macro-tracking-app): Nine macro tracking apps compared on gram targets, per-meal macros, adaptive targets and what free or paid unlocks, with prices checked in October 2026, plus IZeat.
- [Best AI Calorie Tracker Apps in 2026: 5 Compared](https://izeat.app/blog/best-ai-calorie-tracker): Cal AI, MyFitnessPal, Lose It!, YAZIO and SnapCalorie compared on AI features, free limits and 2026 prices, with what a photo alone gets wrong.
- [How do you calculate calories in homemade food?](https://izeat.app/blog/how-to-calculate-calories-in-homemade-food): Add the calories of the ingredients that remain in the dish, then allocate that total to what you ate. For a reasonably even mixture, portion calories = batch calories × portion weight ÷ finished edible batch weight; keep raw ingredient weights separate from the cooked weight used to divide the batch.
- [How do you track alcohol macros without changing the drink’s facts?](https://izeat.app/blog/how-to-track-alcohol-macros): Record the drink’s complete calorie value and its actual protein, carbohydrate and fat values, scaled to what you drank. Alcohol supplies energy outside those three macros; dividing that energy into “carb-equivalent” or “fat-equivalent” grams is a budgeting convention, not the drink’s real composition.
- [Calorie tracking for teenagers: can a teenager use IZeat?](https://izeat.app/blog/calorie-tracking-for-teenagers): IZeat is for adults aged eighteen and over, so someone under eighteen cannot open an account or use a parent’s diary as their own. For a younger teenager’s nutrition or training questions, start with a trusted adult and a qualified professional who knows their needs.
- [Calorie tracking on paleo or carnivore: what is there to record?](https://izeat.app/blog/calorie-tracking-on-paleo-or-carnivore): The same items as any other day, except that a short list concentrates the error: on a plate of three foods, the cut of meat and the fat it was cooked in carry nearly all of it. IZeat records each with the source of its figure, has the assistant settle which cut when your words leave it open, and holds no rule about what belongs on the plate.
- [Calorie tracking in a household: can two people share one record?](https://izeat.app/blog/calorie-tracking-in-a-household): No: an account is one person's food, read by them, and there is no family plan and no shared diary. What two adults in the same kitchen share is the cooking, and each of them records their own portion of it, in their own IZeat account, through their own assistant.
- [Calorie tracking for runners and cyclists: what does a food record cover?](https://izeat.app/blog/calorie-tracking-for-runners): For runners, calorie tracking means recording ordinary meals and training fuel, including gels, bars and drink mix, then reading intake alongside the training plan. IZeat can hold those food and macro entries, but it has no exercise log, wearable sync or assessment of whether you are fuelling enough.
- [Calorie tracking with intermittent fasting: what should you record?](https://izeat.app/blog/calorie-tracking-for-intermittent-fasting): Record the food and drinks you actually consume, with their amounts and dates; a fasting timer and a calorie diary do different jobs. IZeat records meals without a timer, and its averages cover recorded days only, so a whole day without food cannot be treated as an ordinary logged day.
- [Calorie tracking for cutting: how do you keep the record honest in a deficit?](https://izeat.app/blog/calorie-tracking-for-cutting): By weighing what you can, marking what you guessed, and reading the week rather than the day. IZeat keeps the source on each item, so a cut that stalls can be examined row by row, and it reports a day over or under in the same neutral form, with no red and no praise.
- [Keto macro tracker: which app fits your carbohydrate record?](https://izeat.app/blog/calorie-tracking-on-a-low-carb-diet): For configurable net-carbohydrate deductions, consider Cronometer; for keto-focused carb settings, Carb Manager; for a tracker with meal planning, KetoDiet. IZeat records calories and declared carbohydrate through a connected assistant, but has no fibre field, net-carb calculation or ketone record, so choose another tool if those are essential.
- [Calorie tracking on GLP-1 medication: what does a record do if your intake is small?](https://izeat.app/blog/calorie-tracking-on-glp-1-medication): Calorie tracking on GLP-1 medication can document portions actually eaten and protein intake for discussion with your care team. IZeat keeps that food record, but it has no low-intake alert, medication log or assessment of nutritional adequacy, so a quiet receipt cannot reassure you that intake is sufficient.
- [Calorie tracking during pregnancy: what can a food record honestly do?](https://izeat.app/blog/calorie-tracking-during-pregnancy): A food record can hold what you ate, with the source on each item, and nothing more. IZeat sets no targets, gives no nutrition advice and has no pregnancy mode; anything to aim at during a pregnancy is for the midwife, doctor or dietitian following you to decide.
- [Calorie tracking after bariatric surgery: how do you record very small meals?](https://izeat.app/blog/calorie-tracking-after-bariatric-surgery): As several small items across the day's six meals, with anything eaten later added to the meal it belongs to. IZeat records what you describe and shows any target your team gave you against the day; every clinical figure stays theirs to set.
- [MacroFactor vs YAZIO: which workflow fits your needs?](https://izeat.app/blog/macrofactor-and-yazio): Choose MacroFactor if your priority is nutrition targets updated from logged food and weight trends; examine YAZIO if you want a free diary with optional PRO planning and photo features. IZeat is a different conversational journal, rather than an equivalent replacement for either programme.
- [What is an alternative to Noom, if what you want is a record rather than a coach?](https://izeat.app/blog/noom-alternatives): If you want to replace Noom’s programme, examine WeightWatchers for a structured framework and available support, or MacroFactor for adaptive nutrition targets; a simple diary such as MyFitnessPal serves a different need. IZeat offers conversational food recording without lessons, human coaching or a clinical programme.
- [Is MyFitnessPal free, and which features do you get?](https://izeat.app/blog/is-myfitnesspal-free-and-does-it-work): Yes: MyFitnessPal’s Free plan records food, exercise, weight and nutrient intake, including macro views and percentage goals. IZeat is a paid conversational alternative after a card-free trial; decide whether MyFitnessPal’s free routine meets your needs before comparing upgrades or switching.
- [Should you weigh food raw or cooked for calories?](https://izeat.app/blog/cooked-or-raw-which-weight-to-say): Either works: use a raw reference for a raw weight and a cooked reference for a cooked weight. A package label often describes the food as sold, so check whether it instead gives values as prepared. For a shared batch, weigh the finished batch and your serving rather than using a universal cooking multiplier.
- [How do you track calories without a food scale?](https://izeat.app/blog/how-to-track-calories-without-a-food-scale): Start with the measures you can identify: a whole labelled pot, a counted piece, a level measuring cup or a spoon. Scale the label or reference to that amount and keep uncertain sizes as estimates. A cup’s volume is not a universal gram weight, and raw and cooked portions need different references.
- [How do you catch up on a day you did not log?](https://izeat.app/blog/catching-up-recording-a-day-after-it-happened): By saying the day with the meal: "yesterday's dinner was…" or "Tuesday lunch was…", and by letting the record mark what was remembered rather than weighed. Through IZeat, the assistant passes your word for the day, IZeat resolves it in your time zone and names the day in the receipt, so a late entry lands where it was eaten.
- [How do you calculate a calorie deficit from maintenance and intake?](https://izeat.app/blog/maintenance-deficit-target-the-three-numbers): To calculate an estimated calorie deficit, subtract intake from estimated total daily energy expenditure. For a planned deficit, subtract your chosen calorie target instead. Start with a maintenance estimate, keep its assumptions, then check the arithmetic against a complete food record; a diary remainder is a different number.
- [Calories and macros together: what does the day report show?](https://izeat.app/blog/calories-and-macros-together-what-the-day-report-shows): One list and one total: every meal with its calories and macros, the day's total, the target you chose, and what is left of each, over or under in the same words. IZeat writes it in the reply and draws it on the card and the web app from the same rows, never from a stored total.
- [Label, reference, estimate: where does each number come from?](https://izeat.app/blog/label-reference-estimate-the-four-sources): Every item stores one of four declared sources: label, reference, a figure you supplied, or an estimate. The meal’s summary source follows an aggregation convention; it is not a measured reliability score. Inspect each item’s category and the evidence behind its values.
- [How do you check whether ChatGPT’s calorie counts are trustworthy?](https://izeat.app/blog/can-i-trust-chatgpts-calorie-counts): Trust the parts you can verify: the food match, stated portion, original label or reference and calculation; treat missing recipe or portion information as uncertainty. IZeat stores each item with a source and supports corrections, but a source category does not verify the assistant’s attribution or make its estimate accurate.
- [How do you choose between duplicate food entries in a tracker?](https://izeat.app/blog/ten-entries-for-one-food): Match the current brand or food, preparation, units and portion before comparing calorie values; some apparent duplicates are different products or raw and cooked versions. IZeat avoids a shared food-search catalogue, but its assistant-supplied values can still be wrong, so check the source rather than assuming any entry routine certifies accuracy.
- [How do you choose a calorie tracker without ads?](https://izeat.app/blog/calorie-tracker-without-ads): Check a documented ad-free plan: MyFitnessPal Premium, Cronometer Gold, YAZIO PRO, or subscription-only MacroFactor; compare the logging and reporting features as well as the price. IZeat is also ad-free during its card-free trial and after subscribing, but has no scanner, food database or micronutrient report.
- [Which calorie deficit app fits your tracking needs?](https://izeat.app/blog/a-calorie-deficit-app-that-never-turns-red): Compare MacroFactor for adaptive targets and weight trends, Cronometer for nutrient detail and configurable energy targets, or MyFitnessPal for a conventional food and weight diary. IZeat suits an already chosen target recorded through your assistant, but none of these displays directly measures your physiological deficit.
- [Streaks, badges and red days: what has IZeat left out, and why?](https://izeat.app/blog/streaks-badges-and-red-days): Five things, on purpose: no streak that resets when life happens, no badge for a low day, no red for a day you ate, no ranking against yesterday, no countdown to a goal weight. IZeat leaves each of them out by rule, because a product that scores a day is doing something other than recording it.
- [Weight loss tracker app: do you need a weight chart or a food diary?](https://izeat.app/blog/why-izeat-records-food-not-weight): If you want a weight loss tracker app to store weigh-ins and draw a weight trend, you need a product with those features. IZeat records food, calories and macros instead, so it can sit beside a separate weight record but cannot replace a weight chart.
- [Macros for weight loss: how do you choose and calculate a split?](https://izeat.app/blog/macros-for-weight-loss): There is no single macro split established as best for everyone’s weight loss. Start with an appropriate calorie plan and a protein amount suited to your circumstances, then allocate carbohydrate and fat; IZeat stores the gram targets you confirm and records intake, without a macro calculator or prescribed split.
- [Protein for weight loss: how much, which foods and what does the evidence say?](https://izeat.app/blog/protein-first-for-weight-loss): A higher-protein approach starts with a suitable daily amount, protein-containing foods across meals and a varied eating pattern, rather than simply adding shakes. Protein may help fullness and lean-mass preservation, but the amount depends on your health and activity; IZeat records the foods and the target you confirm, without choosing a diet or measuring muscle retention.
- [Calorie tracking for bulking: what do you log, and what does the day show?](https://izeat.app/blog/calorie-tracking-for-bulking): The same things as anyone else, with two differences: the target you set is above your maintenance rather than below it, and a protein target can sit beside the calorie one. IZeat records the meals you say, shows what is left of each target, and reports a day over and a day under in the same neutral form.
- [Best MyFitnessPal Alternatives in 2026: 7 Apps Compared](https://izeat.app/blog/myfitnesspal-alternatives): Seven MyFitnessPal alternatives compared by your reason for leaving, with dated free and paid prices and one honest limit each, plus where IZeat fits inside your assistant.
- [How do you export a food diary before leaving a tracker?](https://izeat.app/blog/leaving-a-tracker): Export first and open the file, cancel recurring billing through the channel that charged you, then decide whether to delete the account after preserving what you need. IZeat exports CSV or JSON, but another app’s ability to import either format must be checked separately.
- [How do you find your calorie intake?](https://izeat.app/blog/how-do-you-find-your-calorie-intake): To find the calories you eat, record foods and drinks with their portions, calculate each item from a label or matching reference, then add the daily totals. Average complete days to describe your usual recorded intake. The calories your body needs are a separate estimate; neither a diary nor a calculator directly measures both sides.
- [Which calorie tracker for Indian food?](https://izeat.app/blog/which-calorie-tracker-for-indian-food): If you want searchable Indian food entries, HealthifyMe is a documented option to consider. If your main problem is a homemade recipe, choose a method that lets you use its ingredients and your portion. For a diary in your existing assistant, IZeat stores the resulting figures and sources, but has no built-in Indian food database.
- [How do you count cooking oil calories?](https://izeat.app/blog/cooking-fat-the-item-everyone-leaves-out): Count the oil that is part of the food you ate, using its label and your share of the dish. Oil is energy-dense: the general fat factor is about 9 kcal per gram, but a product label may use a different declared value. Check whether your dish entry already includes the oil before adding it separately.
- [How do you count calories at fast food chains and from menus?](https://izeat.app/blog/fast-food-and-menu-calories): Use the chain’s current nutrition page or menu for the exact item, size and country you ordered in. Check what is included, adjust for how much you ate, and add extras once. If calories are published without macros, keep the calorie figure and identify any estimated macros.
- [How do you read a nutrition label with an assistant?](https://izeat.app/blog/reading-a-nutrition-label-with-an-assistant): Show the label and ask the assistant to repeat its values, units and serving basis before scaling them to what you ate. Check that readback against the pack, then confirm the portion before recording. IZeat instructs the assistant to follow this protocol; reading and interpretation can still go wrong, and the source category is not certification.
- [How long does food logging take, and what did the 23-minute study measure?](https://izeat.app/blog/why-food-logging-takes-23-minutes-a-day): A 2019 study of 142 adults in an online weight-loss intervention reported 23.2 minutes a day of dietary self-monitoring in month one and 14.6 in month six; that is a study average, not the time every diary user needs. IZeat changes the input routine to a description in an assistant, but we have not measured its time savings.
- [What does a food logging app with no data entry screen mean?](https://izeat.app/blog/a-food-logging-app-with-no-data-entry-screen): A food logging app without an entry screen takes meal descriptions through your assistant and shows the saved diary on the web; quantities, clarification and checking still matter. IZeat uses that workflow, while a conventional food diary or an app with weight-based target adjustment may fit different needs.
- [How do you log calories in ChatGPT?](https://izeat.app/blog/how-to-log-calories-in-chatgpt): Connect IZeat using the supported path for ChatGPT, verify that the account check identifies your own account, then describe a meal and inspect the saved receipt. IZeat provides the persistent record; client eligibility, remote HTTP support, sign-in and tool permission are prerequisites, and a successful account read alone does not prove that a meal was written correctly.
- [How do you log calories in Claude?](https://izeat.app/blog/how-to-log-calories-in-claude): Connect IZeat using the supported path for Claude, verify that the account check identifies your own account, then describe a meal and inspect the saved receipt. IZeat provides the persistent record; client eligibility, remote HTTP support, sign-in and tool permission are prerequisites, and a successful account read alone does not prove that a meal was written correctly.
- [How do you log calories in Claude Code?](https://izeat.app/blog/how-to-log-calories-in-claude-code): Connect IZeat using the supported path for Claude Code, verify that the account check identifies your own account, then describe a meal and inspect the saved receipt. IZeat provides the persistent record; client eligibility, remote HTTP support, sign-in and tool permission are prerequisites, and a successful account read alone does not prove that a meal was written correctly.
- [How do you log calories with a compatible MCP client?](https://izeat.app/blog/how-to-log-calories-with-any-mcp-client): Connect IZeat using the supported path for a compatible MCP client, verify that the account check identifies your own account, then describe a meal and inspect the saved receipt. IZeat provides the persistent record; client eligibility, remote HTTP support, sign-in and tool permission are prerequisites, and a successful account read alone does not prove that a meal was written correctly.
- [Calorie counting for weight loss: what does a food record do, and what does it not?](https://izeat.app/blog/calorie-counting-for-weight-loss): Calorie counting for weight loss means recording foods and consumed portions, choosing matching label or reference values, and comparing the total with a suitable plan. IZeat can store that diary and your chosen target, but the difference from a target does not measure your actual calorie deficit.
- [What is a good alternative to Cronometer?](https://izeat.app/blog/cronometer-alternatives): Consider MyFitnessPal for a conventional food-and-weight diary, YAZIO for its recipe and planning features, or MacroFactor if adaptive targets are the reason to switch. IZeat offers conversational food logging, but it does not replace Cronometer’s micronutrient depth; staying on Basic or choosing Gold can also be the better choice.
- [How do you track calories when eating out?](https://izeat.app/blog/how-to-track-calories-when-eating-out): Use the restaurant’s nutrition information when it matches your order. Otherwise list the dish, your portion, its preparation and any extras, then record an estimate with the assumptions visible. A photo can help identify food; it does not measure the serving or reveal hidden oil.
- [How do you track calories without an app?](https://izeat.app/blog/how-to-track-calories-without-an-app): Use a notebook or spreadsheet: write the food, the amount you ate, its calorie reference and the calculated calories. Add the items for each day, keeping estimated portions separate from measured ones. A label or a food composition table supplies the reference; you do not need a dedicated tracking app.
- [Can an AI count calories from a photo?](https://izeat.app/blog/can-an-ai-count-calories-from-a-photo): An AI can help identify visible food and propose a calorie estimate, but a plate photo does not measure edible weight, oil, sauces or the recipe. IZeat records the result with its source; supply portion details and inspect what the assistant saved rather than treating the image as a measured count.
- [How do you choose an accurate calorie counter?](https://izeat.app/blog/is-there-an-accurate-calorie-counter): Choose a counter that lets you inspect the matching food, portion, preparation and sources, then test it with known label values and a weighed amount. IZeat makes item sources visible, but we have no matched benchmark establishing that it or another app is the most accurate calorie tracker.
- [Can ChatGPT count calories?](https://izeat.app/blog/can-chatgpt-count-calories): ChatGPT can scale stated calorie values, add meal totals and estimate food from a description, but you must check the source, amount and assumptions; a confident number is not a measured intake. IZeat adds a stored food record and item sources through a compatible connection, so later totals come from logged meals rather than an unverified chat recap.
- [How do you keep a food journal, with or without typing?](https://izeat.app/blog/how-to-keep-a-food-journal-you-dont-have-to-type): Record what you ate and drank, the time or meal, quantities and useful preparation details, then review missing entries and corrections consistently. IZeat offers one way to do that by describing meals in an assistant; paper, a spreadsheet or another diary can use the same recording method.
- [How do you choose the easiest macro tracking app for your routine?](https://izeat.app/blog/the-simplest-macro-tracker): Test the steps you repeat: enter a familiar meal, correct its portion, reuse it and read protein, carbohydrate and fat totals against your chosen targets. IZeat may suit someone who already uses an assistant, while a barcode or saved-meal diary may be easier for someone else; no universal speed winner is established here.
- [Can you lose weight without counting calories?](https://izeat.app/blog/can-you-lose-weight-without-counting-calories): Yes. Weight loss does not require writing down calorie figures; eating patterns can change energy intake without counting, though no method guarantees a result. IZeat is an optional food diary for people who want recorded intake and portions to examine, not a measurement of expenditure or a requirement for losing weight.
- [Which free calorie counter app includes the features you need?](https://izeat.app/blog/what-free-gets-you-in-a-calorie-tracker): Start with MyFitnessPal for a food-and-weight diary, Cronometer for nutrient detail and raw-data export, or YAZIO for its diary and daily analysis; confirm scanning and advanced features in the account you will use. IZeat and MacroFactor offer trials followed by subscriptions, so neither is an ongoing free calorie counter.

## Connect

The MCP endpoint is https://izeat.app/api/mcp, remote HTTPS, OAuth 2.1 with its own
authorization server; nothing to install. Claude: Settings, Connectors, Add custom
connector, name and address only. Claude Code: `claude mcp add --transport http --scope user izeat https://izeat.app/api/mcp`.

## Glossary

- [Calorie deficit](https://izeat.app/glossary/calorie-deficit): A calorie deficit is a period during which a person takes in fewer calories than their body uses, so that the difference is drawn from what the body has stored.
- [Maintenance calories](https://izeat.app/glossary/maintenance-calories): Maintenance calories are the daily intake at which a person's weight stays the same over time, because what comes in matches what the body uses.
- [Macros](https://izeat.app/glossary/macros): Macros, short for macronutrients, are the three nutrients that carry a food's energy: protein, carbohydrate and fat, measured in grams.
- [Protein target](https://izeat.app/glossary/protein-target): A protein target is the number of grams of protein a person aims to eat in a day, set alongside or instead of a calorie target.
- [TDEE](https://izeat.app/glossary/tdee): TDEE, total daily energy expenditure, is the estimated number of calories a person's body uses in a day, resting metabolism plus activity.
- [BMR](https://izeat.app/glossary/bmr): BMR, basal metabolic rate, is the estimated energy a body uses at complete rest over a day, before any movement or digestion is counted.
- [Plateau](https://izeat.app/glossary/plateau): A plateau is a stretch of weeks during which weight stops changing although the person has not changed what they do.
- [Calorie target](https://izeat.app/glossary/calorie-target): A calorie target is the daily number of calories a person chooses to aim for, above, below or at their maintenance.
- [Reference values](https://izeat.app/glossary/reference-values): Reference values are the calories and macros of a plain, unmixed food per 100 g or 100 ml, as published in a standard food composition table.
- [Label values](https://izeat.app/glossary/label-values): Label values are the calories and macros printed on a food's packaging, per serving or per 100 g, as declared by the producer.
- [Estimate](https://izeat.app/glossary/estimate): An estimate is a figure reasoned out from what is known when the exact value cannot be measured, and it is honest only when it is called an estimate.
- [Source of a number](https://izeat.app/glossary/source-of-a-number): The source of a number is where a recorded calorie or macro figure came from: a label, the person who ate, a reference table or an estimate.
- [Food logging](https://izeat.app/glossary/food-logging): Food logging is writing down what was eaten, with quantities, so that a day's calories and macros can be known rather than guessed.
- [Meal type](https://izeat.app/glossary/meal-type): A meal type is the slot of the day a meal belongs to: breakfast, morning snack, lunch, afternoon snack, dinner or evening.
- [Day total](https://izeat.app/glossary/day-total): A day total is the sum of the calories and macros of everything recorded on one day, in the person's own time zone.
- [Calories left](https://izeat.app/glossary/calories-left): Calories left are the difference between a day's target and what has been recorded so far, the figure people compose their next meal against.
- [Period average](https://izeat.app/glossary/period-average): A period average is the mean of daily totals over a range of days, counted over the days that have entries rather than over the calendar.
- [Undo](https://izeat.app/glossary/undo): Undo is taking back the last change made to a record, so that a mistake costs one sentence rather than a lost day.
- [Receipt](https://izeat.app/glossary/receipt): A receipt is the reply that states what was recorded, item by item, so that the person narrates from what happened and not from what they believe they said.
- [Day in your time zone](https://izeat.app/glossary/day-in-your-time-zone): A day in your time zone is the calendar day where the person is, which decides which day a meal belongs to, not the day where a server happens to sit.
- [Cooked and raw weight](https://izeat.app/glossary/cooked-and-raw-weight): Cooked and raw weight are the two weights a food can be measured at, and for foods that absorb or lose water they differ enough to change the calories by a third or more.
- [Calorie](https://izeat.app/glossary/calorie): A calorie, on a food label and in everyday use, is the kilocalorie: the unit in which the energy a food gives the body is counted.
- [Kilojoule](https://izeat.app/glossary/kilojoule): A kilojoule, kJ, is the metric unit of energy used on food labels in Australia, New Zealand, South Africa and alongside calories in the European Union; one kilocalorie is 4.184 kilojoules.
- [Macronutrient](https://izeat.app/glossary/macronutrient): A macronutrient is one of the three nutrients a body needs in gram quantities and draws energy from: protein, carbohydrate and fat.
- [Protein](https://izeat.app/glossary/protein): Protein is the macronutrient made of amino acids that the body uses to build and repair tissue, muscle included, and that carries about 4 kcal per gram.
- [Carbohydrate](https://izeat.app/glossary/carbohydrate): A carbohydrate is the macronutrient made of sugars and starches that the body turns into glucose for energy, at about 4 kcal per gram.
- [Fibre](https://izeat.app/glossary/fibre): Fibre is the part of plant carbohydrate that the body does not digest into glucose, listed on labels as dietary fibre, and counted at a lower energy value than other carbohydrate where it is counted at all.
- [Sugar](https://izeat.app/glossary/sugar): Sugar, on a nutrition label, is the part of carbohydrate made of simple sugars, whether naturally present in a food or added to it, listed under carbohydrate as "of which sugars".
- [Added sugar](https://izeat.app/glossary/added-sugar): Added sugar is sugar put into a food during processing or preparation, as opposed to the sugar naturally present in fruit, milk or vegetables, and some labels list it as a separate line.
- [Fat](https://izeat.app/glossary/fat): Fat is the macronutrient that carries the most energy per gram, about 9 kcal, and that a body uses for energy, for storing it, and for building cells and hormones.
- [Saturated fat](https://izeat.app/glossary/saturated-fat): Saturated fat is the kind of fat whose molecules carry no double bonds, solid at room temperature, found mostly in animal fat, butter, cheese and coconut and palm oil, and listed on labels as a sub-line of fat.
- [Unsaturated fat](https://izeat.app/glossary/unsaturated-fat): Unsaturated fat is fat whose molecules carry one or more double bonds, liquid at room temperature, found mostly in vegetable oils, nuts, seeds, avocado and oily fish.
- [Trans fat](https://izeat.app/glossary/trans-fat): Trans fat is unsaturated fat whose molecules have been reshaped, mostly by partial hydrogenation of vegetable oils in industrial processing, and it appears on some labels as a separate line.
- [Sodium](https://izeat.app/glossary/sodium): Sodium is the mineral in salt that labels report either as sodium or as salt, where salt is sodium multiplied by 2.5, and it carries no energy.
- [Micronutrient](https://izeat.app/glossary/micronutrient): A micronutrient is a vitamin or a mineral, a nutrient the body needs in milligram or microgram amounts and that carries no energy.
- [Energy density](https://izeat.app/glossary/energy-density): Energy density is the number of calories in a given weight of food, usually per 100 g: the quantity that separates a plate of vegetables from the same weight of pastry.
- [Net carbs](https://izeat.app/glossary/net-carbs): Net carbs are a food's carbohydrate minus its fibre, and sometimes minus sugar alcohols, a figure used by low-carbohydrate diets and printed on some packaging rather than on official labels.
- [Glycaemic index](https://izeat.app/glossary/glycaemic-index): The glycaemic index is a scale from 0 to 100 that ranks a carbohydrate food by how fast it raises blood glucose compared with pure glucose, measured in people rather than printed on labels.
- [Satiety](https://izeat.app/glossary/satiety): Satiety is the feeling of fullness after eating and the length of time before hunger returns, shaped by protein, fibre, water content and the volume of what was eaten.
- [Thermic effect of food](https://izeat.app/glossary/thermic-effect-of-food): The thermic effect of food is the energy a body spends digesting, absorbing and storing what was eaten, a share of the day's expenditure that is highest for protein and lowest for fat.
- [Serving size](https://izeat.app/glossary/serving-size): A serving size is the reference amount a label's figures are given for, chosen by the producer or set by regulation, and it is often not the amount a person actually eats.
- [Calorie surplus](https://izeat.app/glossary/calorie-surplus): A calorie surplus is a period during which a person takes in more calories than their body uses, so that the extra is stored, as muscle when training drives it and as fat otherwise.
- [Cutting](https://izeat.app/glossary/cutting): Cutting is the phase of a training cycle spent in a calorie deficit to lose body fat while keeping as much muscle as possible, usually with protein kept high.
- [Bulking](https://izeat.app/glossary/bulking): Bulking is the phase of a training cycle spent in a calorie surplus to gain muscle, accepting some fat gain along the way, the counterpart of cutting.
- [Recomposition](https://izeat.app/glossary/recomposition): Body recomposition is losing fat and gaining muscle over the same period, usually at or near maintenance calories with high protein and resistance training.
- [Refeed](https://izeat.app/glossary/refeed): A refeed is a planned day or two at maintenance calories or above, usually higher in carbohydrate, placed inside a longer deficit.
- [Diet break](https://izeat.app/glossary/diet-break): A diet break is a planned period of one or two weeks at maintenance calories in the middle of a longer deficit, before the deficit resumes.
- [Intermittent fasting](https://izeat.app/glossary/intermittent-fasting): Intermittent fasting is an eating pattern that alternates periods of eating and periods without food, by the clock or by the day, rather than a rule about what is eaten.
- [Time-restricted eating](https://izeat.app/glossary/time-restricted-eating): Time-restricted eating is the form of intermittent fasting that keeps all food inside a fixed daily window, commonly eight to ten hours, and leaves the rest of the day without calories.
- [Meal prep](https://izeat.app/glossary/meal-prep): Meal prep is cooking and portioning several meals in advance, so that the same weighed meal is eaten on several days without being made or measured again.
- [Batch cooking](https://izeat.app/glossary/batch-cooking): Batch cooking is preparing a large quantity of one dish at once, to be eaten in portions over several days, with the whole batch weighed and divided.
- [Portion control](https://izeat.app/glossary/portion-control): Portion control is deciding the amount of a food before eating it, by weighing, measuring or dividing, rather than eating until the plate is empty.
- [Hunger scale](https://izeat.app/glossary/hunger-scale): A hunger scale is a self-rating of hunger and fullness, usually from one to ten, used to notice eating that is driven by habit or mood rather than by need.
- [Eating out](https://izeat.app/glossary/eating-out): Eating out is any meal prepared by someone else outside the home, a restaurant, a takeaway, a friend's table, where the ingredients and the portions are not the eater's to weigh.
- [Restaurant estimate](https://izeat.app/glossary/restaurant-estimate): A restaurant estimate is a calorie and macro figure reasoned out for a dish nobody weighed, from what the dish is, about how much of it there was, and what it was cooked in.
- [Weekly average](https://izeat.app/glossary/weekly-average): A weekly average is the mean of the daily calorie totals over a week, the figure that smooths a high Saturday against a low Tuesday and says what the week actually was.
- [Weekend effect](https://izeat.app/glossary/weekend-effect): The weekend effect is the common pattern of eating noticeably more, and logging noticeably less, from Friday evening to Sunday, so that a week that looks on target from Monday to Thursday is not.
- [Water weight](https://izeat.app/glossary/water-weight): Water weight is the part of a day-to-day change on the scale that comes from how much water the body is holding, moved by salt, carbohydrate, training and the time of day, rather than from fat.
- [Weigh-in](https://izeat.app/glossary/weigh-in): A weigh-in is stepping on a scale at a fixed time under the same conditions, usually in the morning, so that readings can be compared across days and weeks.
- [Rate of loss](https://izeat.app/glossary/rate-of-loss): A rate of loss is the pace at which weight changes over weeks, usually stated in kilograms or pounds a week, and the pace public health services describe as sustainable is about half a kilogram to one kilogram a week.
- [Macro split](https://izeat.app/glossary/macro-split): A macro split is the share of a day's calories planned to come from protein, carbohydrate and fat, written as three percentages or as three gram targets.
- [Cooking fat](https://izeat.app/glossary/cooking-fat): Cooking fat is the oil, butter or other fat a food is fried, roasted or dressed in, an ingredient that a plate does not show and that can add a third or more to a dish's calories.
- [Complete protein](https://izeat.app/glossary/complete-protein): A complete protein is a food whose protein contains all nine essential amino acids in useful amounts, as most animal foods and a few plant foods such as soy and quinoa do.
- [Omega-3](https://izeat.app/glossary/omega-3): Omega-3 fats are a family of polyunsaturated fats found mostly in oily fish, walnuts, flax and chia, that the body cannot make and has to eat.
- [Reverse dieting](https://izeat.app/glossary/reverse-dieting): Reverse dieting is raising calories in small weekly steps at the end of a deficit, back toward maintenance, instead of returning to full maintenance at once.
- [RMR](https://izeat.app/glossary/rmr): RMR, resting metabolic rate, is the energy a body uses over a day at rest but awake, measured or estimated under less strict conditions than BMR and usually a little higher.
- [Activity factor](https://izeat.app/glossary/activity-factor): An activity factor is the multiplier a calculator applies to a resting metabolic rate to estimate a whole day's expenditure, from about 1.4 for a sedentary life to 2.4 for a vigorous one in the FAO/WHO/UNU scale.
- [NEAT](https://izeat.app/glossary/neat): NEAT, non-exercise activity thermogenesis, is the energy spent on everything that is neither sleeping, eating nor deliberate exercise: walking, standing, fidgeting, housework.
- [BMI](https://izeat.app/glossary/bmi): BMI, body mass index, is weight in kilograms divided by height in metres squared, a population screening figure that says nothing about how much of a body is fat or muscle.
- [Body fat percentage](https://izeat.app/glossary/body-fat-percentage): Body fat percentage is the share of a body's weight that is fat, measured by scans, calipers or impedance scales with very different accuracy, and estimated by many apps with almost none.
- [Lean mass](https://izeat.app/glossary/lean-mass): Lean mass is everything in a body that is not fat, muscle, bone, organs and water, and it is the part a deficit is meant to keep while fat is lost.
- [Waist measurement](https://izeat.app/glossary/waist-measurement): A waist measurement is the circumference at the navel or the narrowest point, taken with a tape under the same conditions each time, a body measure that moves more slowly and more honestly than the scale.
- [Scale weight](https://izeat.app/glossary/scale-weight): Scale weight is the number a bathroom scale shows on a given morning, the sum of fat, muscle, bone, water and whatever is in the gut, and the noisiest of all body measures.
- [Trend weight](https://izeat.app/glossary/trend-weight): Trend weight is a smoothed weight, usually a moving average of daily weigh-ins over a week or more, that shows the direction under the daily noise of water and meals.
- [Moving average](https://izeat.app/glossary/moving-average): A moving average is the mean of the last few values in a series, recomputed as each new value arrives, so that a noisy daily figure becomes a readable line.
- [Energy balance](https://izeat.app/glossary/energy-balance): Energy balance is the relation between the energy taken in as food and the energy a body uses: intake above expenditure stores energy, intake below draws on stores, and equal keeps weight steady.
- [Adaptive thermogenesis](https://izeat.app/glossary/adaptive-thermogenesis): Adaptive thermogenesis is the drop in energy expenditure, beyond what a smaller body would explain, that a prolonged deficit tends to produce, the body's way of spending less when less comes in.
- [Metabolism](https://izeat.app/glossary/metabolism): Metabolism is the whole set of chemical processes by which a body turns food into energy and tissue; in everyday use, the word means the rate at which a person burns energy.
- [Body composition](https://izeat.app/glossary/body-composition): Body composition is the split of a body's weight into fat mass and lean mass, the figure that distinguishes two people of the same weight and the one a scale alone cannot give.
- [Nutrition label](https://izeat.app/glossary/nutrition-label): A nutrition label is the panel on packaged food that declares its energy and nutrients per 100 g or 100 ml and, in some regions, per serving, as required by regulation and declared by the producer.
- [Per 100 g](https://izeat.app/glossary/per-100-g): Per 100 g is the reference amount most labels and every composition table use to state a food's calories and nutrients, so that any portion can be computed by scaling.
- [Per serving](https://izeat.app/glossary/per-serving): Per serving is the second way labels state figures, for an amount the producer chose as a serving, which is often smaller than what a person eats and differs from one product to the next.
- [Barcode](https://izeat.app/glossary/barcode): A barcode, in food logging, is the product code on packaging that a database can match to the product's declared nutrition figures, so that scanning replaces reading the label.
- [Open Food Facts](https://izeat.app/glossary/open-food-facts): Open Food Facts is a free, open database of packaged food products and their label figures, built by volunteers who photograph packaging, and published under the Open Database License.
- [CIQUAL](https://izeat.app/glossary/ciqual): CIQUAL is the French food composition table published by ANSES, the national food safety agency: reference figures per 100 g for the foods eaten in France, generic rather than branded.
- [USDA FoodData Central](https://izeat.app/glossary/usda-fooddata-central): USDA FoodData Central is the United States Department of Agriculture's food composition database, the reference most English-language calorie figures for plain foods trace back to.
- [Food composition table](https://izeat.app/glossary/food-composition-table): A food composition table is a published dataset giving the energy and nutrients of generic foods per 100 g, measured across samples by a national or international agency.
- [Crowd-sourced database](https://izeat.app/glossary/crowd-sourced-database): A crowd-sourced food database is a tracker's catalogue of foods typed in by its own users, brands and generics mixed, where the same food can appear many times with different figures.
- [Menu calories](https://izeat.app/glossary/menu-calories): Menu calories are the energy figures large restaurant chains print next to dishes on their menus where regulation requires it, declared by the chain for a standard portion.
- [Food diary](https://izeat.app/glossary/food-diary): A food diary is a dated record of everything a person ate and drank, with quantities, kept to know a day's intake rather than to remember it.
- [Self-monitoring](https://izeat.app/glossary/self-monitoring): Self-monitoring is the practice of observing and recording one's own behaviour, and in nutrition it means keeping a food record so that intake is known rather than assumed.
- [Adherence](https://izeat.app/glossary/adherence): Adherence, in food logging, is how much of the time a person keeps recording, measured as days or weeks with a record against the days they meant to record.
- [Logging frequency](https://izeat.app/glossary/logging-frequency): Logging frequency is how often a person records, counted in days with an entry or entries per day, as distinct from how long each recording session takes.
- [Under-reporting](https://izeat.app/glossary/under-reporting): Under-reporting is recording less than was actually eaten, whether by forgetting items, guessing portions small or leaving out what felt unimportant, and it is the most common error in any food record.
- [Correction](https://izeat.app/glossary/correction): A correction, in a food record, is a change to something already recorded, a wrong portion, a forgotten item, a meal on the wrong day, made after the fact.
- [Change history](https://izeat.app/glossary/change-history): A change history is the list of every change made to a record, with what was before, what came after and when, kept so that the current state can always be explained.
- [Data export](https://izeat.app/glossary/data-export): A data export is a copy of everything an account holds, delivered in files the person can open elsewhere, so that a record is theirs rather than held by the service that recorded it.
- [Account deletion](https://izeat.app/glossary/account-deletion): Account deletion is the removal of an account and the data it holds at the person's request, as distinct from cancelling a subscription, which stops the payment and keeps the record.
- [Recorded day](https://izeat.app/glossary/recorded-day): A recorded day is a calendar day that has at least one meal in the record, as opposed to a day with nothing written, and it is the unit a period average is computed over.
- [IZeat](https://izeat.app/glossary/izeat): IZeat is the five-star chef calorie tracker that suggests satisfying, great-tasting meals, so you enjoy every calorie you have left. It works inside ChatGPT, Claude or any other assistant: IZeat knows your numbers for the day, which foods fill you up and what you like.
- [AI assistant](https://izeat.app/glossary/ai-assistant): An AI assistant, in food logging, is a conversational model such as ChatGPT or Claude that understands a sentence about a meal, asks what is missing, and writes the record for the person.
- [ChatGPT](https://izeat.app/glossary/chatgpt): ChatGPT is OpenAI's conversational assistant, and in relation to IZeat it is one of the assistants a customer can connect so that a sentence about a meal becomes a record.
- [Claude](https://izeat.app/glossary/claude): Claude is Anthropic's conversational assistant, and in relation to IZeat it is one of the assistants a customer can connect, on the web, in the desktop app, on the iPhone app and in Claude Code.
- [MCP](https://izeat.app/glossary/mcp): MCP, the Model Context Protocol, is an open standard that lets an assistant such as Claude or ChatGPT call tools offered by an outside service, with the service describing each tool in words the model reads.
- [Connector](https://izeat.app/glossary/connector): A connector is an assistant's name for an outside service it has been linked to, so that the model can use that service's tools inside a conversation.
- [Authorization screen](https://izeat.app/glossary/authorization-screen): An authorization screen, or OAuth consent screen, is the page where a person signs in to a service and approves an application's access to their account, so that the application receives a token rather than their password.
- [Tool](https://izeat.app/glossary/tool): A tool, in an assistant, is a named action a service offers to the model, with a description of what it does and the inputs it takes, so that the model can call it during a conversation.
- [Tool annotation](https://izeat.app/glossary/tool-annotation): A tool annotation is a declared property of an MCP tool, read-only, destructive, idempotent or open-world, plus a human title, that a client shows the person before they approve a call.
- [Prompt](https://izeat.app/glossary/prompt): A prompt, in food logging, is the sentence a person writes to their assistant about a meal, a question or a correction, in their own words and their own language.
- [Hallucination](https://izeat.app/glossary/hallucination): A hallucination, in an AI assistant, is a confident statement with no basis, a figure, a fact or an action the model produced because an answer was expected rather than because it knew one.
- [Confidently incorrect](https://izeat.app/glossary/confidently-incorrect): Confidently incorrect is the phrase people use for an assistant's wrong answer delivered in the tone of a right one, with no hedge, no source and no sign that it was a guess.
- [Plate photo estimate](https://izeat.app/glossary/plate-photo-estimate): A plate photo estimate is a calorie figure produced from a picture of a served dish, which can tell what the food is but not how much is on the plate nor what it was cooked in.
- [Signed reply](https://izeat.app/glossary/signed-reply): A signed reply is an assistant's answer that marks which of its sentences rest on a tool's result, so that the person can tell the record's facts from the assistant's own words.